| 液动锤钻进减轻岩心堵塞机理的研究 |
| 投稿时间：2013-06-26 修订日期：2013-06-26 点此下载全文 |
| 引用本文：赵远刚,张伟.液动锤钻进减轻岩心堵塞机理的研究[J].钻探工程,2013,40(7):81-83.ZHAO Yuan-gang,ZHANG Wei. Study on Mechanism of Reducing Core Blockage in Hydro-hammer Drilling[J]. Drilling Engineering, 2013,40(7):81-83. |
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| 基金项目:科技部科技支撑重大专项“汶川地震断裂带科学钻探（WFSD）”项目之“科学钻探与科学测井”课题 |
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| 中文摘要:通过对液动锤取心钻进过程中钻具的受力分析，论述了液动锤减轻岩心堵塞的作用机理，阐明了液动锤钻进技术的适用地层范围，介绍了其在汶川地震断裂带科学钻探工程WFSD-4号孔中应用取得的成果。 |
| 中文关键词:岩心钻探 液动锤 岩心堵塞 作用机理 |
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| Study on Mechanism of Reducing Core Blockage in Hydro-hammer Drilling |
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| Abstract:By the force analysis on core barrel in hydro-hammer coring drilling process, this paper discusses the action mechanism of reducing core blockage in hydro-hammer drilling. In addition, the applicable stratum range for hydro-hammer drilling are clarified and the results achieved during the drilling operation for the hole WFSD-4 of Wenchuan earthquake fault scientific drilling project are introduced. |
| keywords:core drilling hydraulic hammer core blockage action mechanism |
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